inclusion criteria: 1. male or female ≥18 years of age 2. confirmed within the past 3 days to have sars-cov-2 infection as evidenced by a positive nasopharyngeal swab test using rt-pcr or any substitutable fda-authorized diagnostic test 3. confirmed to have only mild or moderate covid-19 based on the first of the patient reported scores obtained during screening which meets the criterion a flu-pro plus© score of ≥ 1.5 for each of the chest/respiratory and body/systemic domains, and the absence of clinical signs indicative of more severe disease (eg, oxygen saturation \< 94% on room air or respiration rate \> 30 bpm) 4. represents on self-assessment that the current covid-19 symptoms are not consistent with usual health and that they are the same or worse than on the previous day 5. willing to limit the use of vitamin d therapies or supplements except for normally fortified food products (eg, milk) during the course of the 6-week study 6. must demonstrate the ability to comply with all study requirements 7. must be without any disease state or physical condition that might impair evaluation of safety or which, in the investigator's opinion, would interfere with study participation.

inclusion criteria: 1. male or female ≥18 years of age 2. confirmed within the past 3 days to have sars-cov-2 infection as evidenced by a positive nasopharyngeal swab test using rt-pcr or any substitutable fda-authorized diagnostic test 3. confirmed to have only mild or moderate covid-19 based on the first of the patient reported scores obtained during screening which meets the criterion a flu-pro plus© score of ≥ 1.5 for each of the chest/respiratory and body/systemic domains, and the absence of clinical signs indicative of more severe disease (eg, oxygen saturation \< 94% on room air or respiration rate \> 30 bpm) 4. represents on self-assessment that the current covid-19 symptoms are not consistent with usual health and that they are the same or worse than on the previous day 5. willing to limit the use of vitamin d therapies or supplements except for normally fortified food products (eg, milk) during the course of the 6-week study 6. must demonstrate the ability to comply with all study requirements 7. must be without any disease state or physical condition that might impair evaluation of safety or which, in the investigator's opinion, would interfere with study participation.

inclusion criteria: male or female ≥18 years of age confirmed within the past 3 days to have sars-cov-2 infection as evidenced by a positive nasopharyngeal swab test using rt-pcr or any substitutable fda-authorized diagnostic test confirmed to have only mild or moderate covid-19 based on the first of the patient reported scores obtained during screening which meets the criterion a flu-pro plus© score of ≥ 1.5 for each of the chest/respiratory and body/systemic domains, and the absence of clinical signs indicative of more severe disease (eg, oxygen saturation < 94% on room air or respiration rate > 30 bpm) represents on self-assessment that the current covid-19 symptoms are not consistent with usual health and that they are the same or worse than on the previous day willing to limit the use of vitamin d therapies or supplements except for normally fortified food products (eg, milk) during the course of the 6-week study must demonstrate the ability to comply with all study requirements must be without any disease state or physical condition that might impair evaluation of safety or which, in the investigator's opinion, would interfere with study participation.

inclusion criteria: male or female ≥18 years of age confirmed within the past 3 days to have sars-cov-2 infection as evidenced by a positive nasopharyngeal swab test using rt-pcr or any substitutable fda-authorized diagnostic test confirmed to have only mild or moderate covid-19 based on the first of the patient reported scores obtained during screening which meets the criterion a flu-pro plus© score of ≥ 1.5 for each of the chest/respiratory and body/systemic domains, and the absence of clinical signs indicative of more severe disease (eg, oxygen saturation < 94% on room air or respiration rate > 30 bpm) represents on self-assessment that the current covid-19 symptoms are not consistent with usual health and that they are the same or worse than on the previous day willing to limit the use of vitamin d therapies or supplements except for normally fortified food products (eg, milk) during the course of the 6-week study must demonstrate the ability to comply with all study requirements must be without any disease state or physical condition that might impair evaluation of safety or which, in the investigator's opinion, would interfere with study participation.

inclusion criteria: male or female ≥18 years of age confirmed within the past 3 days to have sars-cov-2 infection as evidenced by a positive nasopharyngeal swab test using rt-pcr confirmed to have only mild or moderate covid-19 based on a flu-pro© score of ≥ 1.5 for each of the chest/respiratory and body/systemic domains, and the absence of clinical signs indicative of more severe disease (eg, oxygen saturation < 94% on room air or respiration rate > 30 bpm) represents on self-assessment that the current covid-19 symptoms are not consistent with usual health and that they are the same or worse than on the previous day willing to limit the use of vitamin d therapies or supplements except for normally fortified food products (eg, milk) during the course of the 6-week study must demonstrate the ability to comply with all study requirements must be without any disease state or physical condition that might impair evaluation of safety or which, in the investigator's opinion, would interfere with study participation.

inclusion criteria: male or female ≥18 years of age confirmed within the past 3 days to have sars-cov-2 infection as evidenced by a positive nasopharyngeal swab test using rt-pcr confirmed to have only mild or moderate covid-19 based on a flu-pro© score of ≥ 1.5 for each of the chest/respiratory and body/systemic domains, and the absence of clinical signs indicative of more severe disease (eg, oxygen saturation < 94% on room air or respiration rate > 30 bpm) represents on self-assessment that the current covid-19 symptoms are not consistent with usual health and that they are the same or worse than on the previous day willing to limit the use of vitamin d therapies or supplements except for normally fortified food products (eg, milk) during the course of the 6-week study must demonstrate the ability to comply with all study requirements must be without any disease state or physical condition that might impair evaluation of safety or which, in the investigator's opinion, would interfere with study participation.

inclusion criteria: 1. male or female ≥18 years of age 2. confirmed within the past 3 days to have sars-cov-2 infection as evidenced by a positive nasopharyngeal swab test using rt-pcr 3. confirmed to have only mild or moderate covid-19 based on a flu-pro© score of ≥ 1.5 for each of the chest/respiratory and body/systemic domains, and the absence of clinical signs indicative of more severe disease (eg, oxygen saturation < 94% on room air or respiration rate > 30 bpm) 4. represents on self-assessment that the current covid-19 symptoms are not consistent with usual health and that they are the same or worse than on the previous day 5. willing to limit the use of vitamin d therapies or supplements except for normally fortified food products (eg, milk) during the course of the 6-week study 6. must demonstrate the ability to comply with all study requirements 7. must be without any disease state or physical condition that might impair evaluation of safety or which, in the investigator's opinion, would interfere with study participation.

inclusion criteria: 1. male or female ≥18 years of age 2. confirmed within the past 3 days to have sars-cov-2 infection as evidenced by a positive nasopharyngeal swab test using rt-pcr 3. confirmed to have only mild or moderate covid-19 based on a flu-pro© score of ≥ 1.5 for each of the chest/respiratory and body/systemic domains, and the absence of clinical signs indicative of more severe disease (eg, oxygen saturation < 94% on room air or respiration rate > 30 bpm) 4. represents on self-assessment that the current covid-19 symptoms are not consistent with usual health and that they are the same or worse than on the previous day 5. willing to limit the use of vitamin d therapies or supplements except for normally fortified food products (eg, milk) during the course of the 6-week study 6. must demonstrate the ability to comply with all study requirements 7. must be without any disease state or physical condition that might impair evaluation of safety or which, in the investigator's opinion, would interfere with study participation.